| Description | Collected tables for one month's observations at Madras [Chennai]. Commencing with sheets headed: 'Abstract of hourly observations...' [of the declination, bifilar and vertical force magnetometers]; with the thermometers attached to the bifilar and vertical force magnetometers. Including the barometer and its attached thermometer; and dry and wet bulb thermometers. Continuing with term day observations of the declination, bifilar, and vertical force magnetometers, beginning on 24 July at 10.00pm [Gottingen mean time], with associated barometer, wet and dry thermometer, wind and cloud observations. Also, direction or azimuth of the wind; force of the wind; a general abstract of meteorological observations; temperature of dew point, elasticity of vapour, maximum and minimum temperature and solar and terrestrial radiation; and a register of rain and evaporation.
Each monthly sheet is signed by S.O.E. Ludlow, as Superintendent of the Observatory. Inscribed in pencil [p.1]: '1st Copy July 1844'. Inscribed [p.10]: 'Madras July to Dec. 1844 Magnetic'. |